#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Wed Jun 27 11:53:28 2018

@author: chenliheng
"""

def printInfo():
    print('------------------------------------')
    print('         生命苦短，我用Python            ')
    print('------------------------------------')

def changeUSD(rmb):
    return rmb * 0.1517

# 通过python内部特殊变量，判断当前代码的运行环境
    
# underunder == dunder variable
    
if __name__ == "__main__":
    # 函数调用测试
    printInfo()